{"id":"CVE-2020-4589","aliases":["EUVD-2020-25836","GHSA-jw8f-7679-44jm"],"status":"published","title":"IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow a remote attacker to execute...","description":"IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted sources. IBM X-Force ID: 184585.","severity":{"version":"3.0","score":8.1,"vector":"CVSS:3.0/PR:N/I:H/C:H/A:H/UI:N/AC:H/S:U/AV:N/RC:C/E:U/RL:O","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.08465,"percentile":0.95055,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502","CWE-74"],"published":"2020-08-13T11:50:13Z","modified":"2026-06-17T03:20:12Z","products":[{"vendor":"ibm","product":"websphere application server"},{"vendor":"ibm","product":"websphere_application_server"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6258333","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/184585","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-4589"},{"url":"https://github.com/advisories/GHSA-jw8f-7679-44jm"}],"sources":{"cve":[{"id":"CVE-2020-4589","description":"IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted sources. IBM X-Force ID: 184585.","status":"published","published":"2020-08-13T11:50:13.87Z","modified":"2024-09-16T20:03:10.813Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/PR:N/I:H/C:H/A:H/UI:N/AC:H/S:U/AV:N/RC:C/E:U/RL:O","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:55.460269Z"}],"euvd":[{"id":"EUVD-2020-25836","description":"IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted sources. IBM X-Force ID: 184585.","status":"published","published":"2020-08-13T11:50:13Z","modified":"2024-09-16T20:03:10Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/PR:N/I:H/C:H/A:H/UI:N/AC:H/S:U/AV:N/RC:C/E:U/RL:O","level":"high"}],"updated_at":"2026-11-03T00:55:17.735013Z"}],"ghsa":[{"id":"GHSA-jw8f-7679-44jm","title":"IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow a remote attacker to execute...","description":"IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted sources. The vulnerability only occurs if an undocumented customization has been applied by an administrator. IBM X-Force ID: 184585.","status":"published","published":"2022-05-24T17:25:37Z","modified":"2023-01-29T05:03:43Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-74","CWE-502"],"updated_at":"2026-11-02T14:45:23.223768Z"}],"nvd":[{"id":"CVE-2020-4589","description":"IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted sources. IBM X-Force ID: 184585.","status":"published","published":"2020-08-13T12:15:25.167Z","modified":"2026-06-17T03:20:12.29Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:06:13.05572Z"}]}}